WATER SUPPLY SCHEME

Excavation for foundation/pipe trenches in earth, soils, of all types, sand, gravel, and soft murum, including removing the excavated material up to a distance of 50 m and lift as below stacking and spreading. as directed, normal dewatering, preparing the bed for foundation and Excluding backfilling etc.complete

Excavation for foundation/pipe trenches in Hard Murum including removing the excavated material up to a distance of 50 m and lifts as below ,stacking and spreading as directed by Engineer-In-Charge, normal dewatering ,preparing the bed for foundation and excluding backfilling etc. complete.

Excavation for foundation /pipe trenches in soft rock and old cement and Lime masonry foundation asphalt road including removing the excavated material up to a lead of 50 m beyond the lift as below ,Stacking as directed by Engineer-In-Charge normal dewatering , preparing the bed for foundation and excluding back filling, etc. complete

Excavation for foundation /pipe in hard rock by Controlled Blasting including trimming and Leveling the bed by Chiseling where necessary and removing the excavated material and Stacking it in measurable heaps within a distance of 50 m from the area and lift as below ,normal dewatering ,excluding backfilling etc. Complete.

Filling in Plinth and floor murum bedding in Trenches with approved murum for excavated material from foundation 15 cm to 20 cm Layer including watering ,ramming and compaction etc complete.

Providing and Supplying in Standard Length of ISI Mark rigid Unplasticsed PVC pipes for potable water with solvent cement joints including cost of couplers as per IS specification no.4985/1988 including all local and central taxes, transportation ,foreign charges ,inspection loading, unloading, conveyance to the departmental store/site and stacking the same enclosed shed duly protected from sun rays and rains including cost of jointing material. i.e. solvent cement , etc.complete. 90 mm Dia. 4 Kg/cm2.

Lowering, laying and jointing PVC pipes and special of following class and diameter including cost of conveyance from stores to site of work including cost of all labour ,material, except cement solvent ,rubber ring, giving satisfactory hydraulics testing as per IS code etc.complete (with cement solvent joint/ring fit joint). 90 mm Dia. 4 Kg/cm2.

Providing and Supplying ISI mark CI D/F Sluice Valve with jointing to pipe work (including all hardware and packing ),water quality having non-rising spindle with hand wheel and without bypass arrangement ,Spindle of stainless steel as per requirement excluding CC foundation /Structure steel support (1) up to 300 mm Dia conforming to IS 780(2) Above 300 mm Dia confirming to IS 2906 A - Sluice Valve with PN-1/Butterfly Valve without bypass 80 mm Sluice Valve

100 mm Sluice Valve

Laying and jointing in Position following CI D/F sluice Valve ,Butterfly Valves and reflux Valves including cost of all labour, jointing material, including nut bolts and giving satisfactory hydraulic testing ,etc.complete 80 mm Sluice Valve

100 mm Sluice Valve

Providing and Supplying ISI mark CI D/F Sluice Valve with jointing to pipe work (including all hardware and packing ),water quality having non-rising spindle with hand wheel and without bypass arrangement ,Spindle of stainless steel as per requirement excluding CC foundation /Structure steel support (1) up to 300 mm Dia conforming to IS 780(2) Above 300 mm Dia confirming to IS 2906 A - Sluice Valve with PN-1/Butterfly Valve without bypass 80 mm No return Valve

100 mm No return Valve

Laying and jointing in Position following CI D/F sluice Valve ,Butterfly Valves and reflux Valves including cost of all labour, jointing material, including nut bolts and giving satisfactory hydraulic testing ,etc.complete 80 mm No return Valve

100 mm No return Valve

Refilling the trenches with available excavated Stuff with soft material first over pipeline and then hard material in 15 cm layer with all leads and lift including consolidation ,surcharging ,etc.complete

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